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1402131054400 = 265241191311173
BaseRepresentation
bin10100011001110101100…
…001011111111101000000
311222001010220221120112121
4110121311201133331000
5140433031022220100
62552044034334024
7203205054213436
oct24316541377500
94861126846477
101402131054400
114a0705476a7a
121a78aaa2a314
13a22b32788cb
144bc1365ad56
15267152ad51a
hex1467585ff40

1402131054400 has 168 divisors, whose sum is σ = 3536431950744. Its totient is φ = 546838118400.

The previous prime is 1402131054371. The next prime is 1402131054407. The reversal of 1402131054400 is 44501312041.

It can be written as a sum of positive squares in 12 ways, for example, as 478410155584 + 923720898816 = 691672^2 + 961104^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402131054407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125487214 + ... + 125498386.

It is an arithmetic number, because the mean of its divisors is an integer number (21050190183).

Almost surely, 21402131054400 is an apocalyptic number.

1402131054400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402131054400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768215975372).

1402131054400 is an abundant number, since it is smaller than the sum of its proper divisors (2134300896344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402131054400 is a wasteful number, since it uses less digits than its factorization.

1402131054400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13149 (or 13134 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1402131054400 its reverse (44501312041), we get a palindrome (1446632366441).

The spelling of 1402131054400 in words is "one trillion, four hundred two billion, one hundred thirty-one million, fifty-four thousand, four hundred".